: It sometimes allows for flashing without needing an authorized Mi Account, which is a lifesaver for DIY repair. Why "Merlin" Users Need It The Redmi Note 9
: Some advanced users have even used ENG mode to support eMMC changes , upgrading storage from 64GB to 128GB by swapping physical chips and repairing the software identities. How to Use It (Carefully!) ENG Firmware Xiaomi Redmi Note 9 (merlin) (Engi...
Flashing ENG firmware is a high-stakes procedure. It usually involves tools like SP Flash Tool or MiFlash and requires a Windows PC. : This is the essential first step. : It sometimes allows for flashing without needing